http://www.securityfocus.com/brief/888
Found this article linked on Slashdot ... What do you guys think? Are multiple wipes/rewrites a waste of time?A computer forensics specialist has a message for security-minded computer users: A single wipe will make drives impossible to read.
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"Although there is a good chance of recovery for any individual bit from a drive, the chances of recovery of any amount of data from a drive using an electron microscope are negligible," Wright stated. "The fallacy that data can be forensically recovered using an electron microscope or related means needs to be put to rest."